Week 14: Axial OIA Flashcards
Origin of Rectus capitis posterior Major
SP of C2
Insertion of Rectus Capitis posterior Major
Inferior nuchal line
Action of Rectus Capitis posterior Major
Head extension and rotation to same side
Origin of rectus Capitis Posterior Minor
Tubercle of posterior arch of C1
Insertion of rectus Capitis Posterior Minor
Inferior Nuchal line
Action of rectus Capitis Posterior Minor
Head extension
Origin of Oblique capitis Superior
TVP of C1
Insertion of Oblique Capitis Superior
Between superior and inferior nuchal line
Action of Oblique capitis Superior
Head extension and lateral flexion to same side
Origin of Oblique capitis inferior
SP of C2
Insertion of oblique capitis inferior
TVP of C1
Action of oblique capitis inferior
Head extension and rotation to same side
Origin of longus colli
Bodies of C5-T3,
TVP C3-C5
Insertion of longus colli
Anterior arch C1, body C2-C4, TVP C5-C6
Action of longus colli
Unilat: lateral flexion to same, rotate to same
Bilat: flexion of neck
Origin of longus capitis
TVP C3-C6
Insertion of longus capitis
Inferior surface of occiput
Action of longus capitis
Unilat: lateral flexion to same, rotate to same
Bilat: flexion of neck
Origin of Rectus Capitis Anterior
TVP of C1
Insertion of Rectus Capitis Anterior
Basilar part of occiput
Action of Rectus Capitis Anterior
Unilat: lat flex of head
Bilat: flexion of head
Origin of rectus capitis Lateralis
TVP C1
Insertion of rectus capitis lateralis
Basilar part of occiput, lateral to occipital condyles
Action of Rectus Capitis Lateralis
Unilat: lat flex of head
Bilat: flexion of head
Origin of Platysma
Fascia covering pec major
Insertion of Platysma
Base of mandible lower face skin
Action of Platysma
Depress mandible, tense neck fascia, draw down corner of mouth
Origin of Sternocleidomastoid
SH: top of manubrium
CH: medial 1/3 of clavicle
Insertion of Sternocleidomastoid
mastoid process, lateral superior nuchal line
Action of Sternocleidomastoid
Unilat: lat flex same side, rotate opposite side
Bilat: flex neck, elevate rib
Origin of Temporalis
Temporal fossa
Insertion of Temporalis
Mandible coronoid process
Action of Temporalis
Elevate and retract mandible
Origin of Masseter
Zygomatic arch (cheek bone)
Insertion of Masseter
Angle/ramus of mandible
Action of Masseter
Elevate and protract mandible